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how to support SDX55's pcie driver

The Quallcomm's sdx55 chip support PCIE interface, and software protocol can be MBIM or QMI QMAPV5.
The MM only support USB_NET_QMI_WWAN & USB_NET_CDC_MBIM by now.
I try to let MM support SDX55's PCIE, here is my path and log.

But there are lots of hard codes(dirver&port 's name and dirver&port 's type are not auto decte by UDEV rule)
and the PCIE driver are not in kernel tree (part of driver aleardy in tree pushed by Quallcomm's enginerr).

modemmanager_support_pcie_mhi_mbim.log
modemmanager_support_pcie_mhi_mbim.patch

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